Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 18,344	$ 19,095
Capital expenditures	19,373	19,387
Operating Segments [Member] | Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	6,338	5,582
Capital expenditures	9,947	4,545
Operating Segments [Member] | Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	3,339	2,424
Capital expenditures	8,517	2,861
Operating Segments [Member] | Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	256	245
Capital expenditures	278	694
Operating Segments [Member] | South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	990	1,057
Capital expenditures	490	169
Operating Segments [Member] | EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	286	258
Capital expenditures	172	27
Operating Segments [Member] | Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	253	472
Capital expenditures	91	157
Operating Segments [Member] | Southeast Asia [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	329	487
Capital expenditures	399	633
Operating Segments [Member] | Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	885	639
Capital expenditures	0	4
Operating Segments [Member] | Manufacturing [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,688	1,815
Capital expenditures	3,338	10,505
Operating Segments [Member] | Grow Tech [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,339	1,225
Capital expenditures	942	178
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	7,979	10,473
Capital expenditures	$ 5,146	$ 4,159